PowertrainP1685
CautionSeverity: Caution - get it checked when you can
Driver 5 Line 5
Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions
1What it means in plain English
The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.
2Common causes
- Sensor or actuator fault
- Wiring or connector fault
- Vacuum or intake leak
- Fuel or ignition problem
- Control module fault
3Can I drive?
Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 25
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | P1685 | No description available | Powertrain |
| Mercedes-Benz | P1685 | No description available | Powertrain |
| BYD | P1685 | EV gear unable to return to gear N Brand | Powertrain |
| Chery | P1685 | Powertrain Data Bus: Implausible Message from Steering Angle Sensor Brand | Powertrain |
| Chrysler | P1685 | No description available | Powertrain |
| Daewoo | P1685 | Driver 5 Line 5 Brand | Powertrain |
| DFXK | P1685 | Variable intake swirl valve (VSA) drift at closed position Brand | Powertrain |
| EOBD | P1685 | Juht 5 liin 5 Brand | Powertrain |
| Geely | P1685 | Powertrain Data Bus: Implausible Message from Steering Angle Sensor Brand | Powertrain |
| GM | P1685 | Driver 5 Line 5 Brand | Powertrain |
| Great Wall | P1685 | Swirl valve stuck closed Brand | Powertrain |
| Holden | P1685 | No description available | Powertrain |
| Honda | P1685 | No description available | Powertrain |
| Isuzu | P1685 | No description available | Powertrain |
| Land Rover | P1685 | Metering Oil Pump Stepping Motor Cont. Circuit Brand | Powertrain |
| Mahindra | P1685 | No description available | Powertrain |
| Maserati | P1685 | No description available | Powertrain |
| Mitsubishi | P1685 | Incorrect Immobilizer key Brand | Powertrain |
| Peugeot | P1685 | No description available | Powertrain |
| Porsche | P1685 | Endstufe Klimaluefter sig Brand | Powertrain |
| Proton | P1685 | Incorrect Immobilizer key Brand | Powertrain |
| Saab | P1685 | Driver 5 Line 5 Brand | Powertrain |
| MG (SAIC) | P1685 | Driver Battery Voltage Supply Error(low Supply, High Supply) *8 Brand | Powertrain |
| Suzuki | P1685 | CAN Communication (Reception Error for ABS/ESPControl Module) Brand | Powertrain |
| Tata | P1685 | ECU Supply Control - Relay Open Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Extended variant codes 3
These 7-character codes are manufacturer-specific variants of P1685 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P168500 | OBD Starter Control Unit Fehler 7 Brand | Powertrain |
| Sprinter | P168500 | OBD Starter Control Unit Fehler 7 Brand | Powertrain |
| SsangYong | P168500 | GCU module error detected Brand | Powertrain |
6Related codes
Browse Pxxx codes or P168xx codes.